MIL-DTL-38999 Series II connectors are designed for demanding environments, featuring up to 128 contacts sealed for protection. With an impressive operating range of -65°C to 200°C, these connectors come in various styles like front and rear wall mount, jam nut, and box mount receptacles. Available in 9 shell sizes and 52 insert arrangements, they use M39029 rear release crimp contacts. Constructed with aluminum shells and offering plating options like gold and electroless nickel, these connectors ensure reliable performance in any setting. RoHS compliant finishes are also available, making them ideal for a wide range of applications requiring durability and high performance.